Contains:  Solar system body or event
Sun spots #AR 1917, 1918, 1920, 1921, 1928, 1929,  - 18 dic 2013, Jesús Piñeiro V.

Sun spots #AR 1917, 1918, 1920, 1921, 1928, 1929, - 18 dic 2013

Sun spots #AR 1917, 1918, 1920, 1921, 1928, 1929,  - 18 dic 2013, Jesús Piñeiro V.

Sun spots #AR 1917, 1918, 1920, 1921, 1928, 1929, - 18 dic 2013

Equipment

Loading...

Acquisition details

Loading...

Comments

Histogram

Sun spots #AR 1917, 1918, 1920, 1921, 1928, 1929,  - 18 dic 2013, Jesús Piñeiro V.